MITSUBISHI MICROCOMPUTERS
3822 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Table 17 Recommended operating conditions (Standard, One Time PROM version)
(V
CC
= 2.5 to 5.5 V, Ta = 鈥?0 to 85 掳C, unless otherwise noted)
Symbol
危I
OH(peak)
危I
OH(peak)
危I
OL(peak)
危I
OL(peak)
危I
OH(avg)
危I
OH(avg)
危I
OL(avg)
危I
OL(avg)
I
OH(peak)
I
OH(peak)
I
OL(peak)
I
OL(peak)
I
OH(avg)
I
OH(avg)
I
OL(avg)
I
OL(avg)
f(CNTR
0
)
f(CNTR
1
)
鈥淗鈥?total peak output current
鈥淗鈥?total peak output current
鈥淟鈥?total peak output current
鈥淟鈥?total peak output current
鈥淗鈥?total average output current
鈥淗鈥?total average output current
鈥淟鈥?total average output current
鈥淟鈥?total average output current
鈥淗鈥?peak output current
鈥淗鈥?peak output current
鈥淟鈥?peak output current
鈥淟鈥?peak output current
鈥淗鈥?average output current
鈥淗鈥?average output current
Parameter
P0
0
鈥揚0
7
, P1
0
鈥揚1
7
, P2
0
鈥揚2
7
(Note 1)
P4
1
鈥揚4
7
, P5
0
鈥揚5
7
, P6
0
鈥揚6
7,
P7
0
, P7
1
(Note 1)
P0
0
鈥揚0
7
, P1
0
鈥揚1
7
, P2
0
鈥揚2
7
(Note 1)
P4
1
鈥揚4
7
, P5
0
鈥揚5
7
, P6
0
鈥揚6
7,
P7
0
, P7
1
(Note 1)
P0
0
鈥揚0
7
, P1
0
鈥揚1
7
, P2
0
鈥揚2
7
(Note 1)
P4
1
鈥揚4
7
, P5
0
鈥揚5
7
, P6
0
鈥揚6
7,
P7
0
, P7
1
(Note 1)
P0
0
鈥揚0
7
, P1
0
鈥揚1
7
, P2
0
鈥揚2
7
(Note 1)
P4
1
鈥揚4
7
, P5
0
鈥揚5
7
, P6
0
鈥揚6
7,
P7
0
, P7
1
(Note 1)
P0
0
鈥揚0
7
, P1
0
鈥揚1
7
(Note 2)
P2
0
鈥揚2
7
, P4
1
鈥揚4
7
, P5
0
鈥揚5
7
, P6
0
鈥揚6
7,
P7
0
, P7
1
(Note 2)
P0
0
鈥揚0
7
, P1
0
鈥揚1
7
(Note 2)
P2
0
鈥揚2
7
, P4
1
鈥揚4
7
, P5
0
鈥揚5
7
, P6
0
鈥揚6
7,
P7
0
, P7
1
(Note 2)
P0
0
鈥揚0
7
, P1
0
鈥揚1
7
(Note 3)
Min.
Limits
Typ.
Max.
鈥?0
鈥?0
40
40
鈥?0
鈥?0
20
20
鈥?
鈥?
5
10
鈥?.0
鈥?.5
2.5
5.0
Unit
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
P2
0
鈥揚2
7
, P4
1
鈥揚4
7
, P5
0
鈥揚5
7
, P6
0
鈥揚6
7,
P7
0
, P7
1
(Note 3)
鈥淟鈥?average output current
P0
0
鈥揚0
7
, P1
0
鈥揚1
7
(Note 3)
P2
0
鈥揚2
7
, P4
1
鈥揚4
7
, P5
0
鈥揚5
7
, P6
0
鈥揚6
7,
P7
0
, P7
1
鈥淟鈥?average output current
(Note 3)
(4.0 V
鈮?/div>
V
CC
鈮?/div>
5.5 V)
Input frequency for timers X and Y
(2.5 V
鈮?/div>
V
CC
鈮?/div>
4.0 V)
(duty cycle 50%)
High-speed mode
(4.0 V
鈮?/div>
V
CC
鈮?/div>
5.5 V)
4.0
MHz
(2鉁昖
CC)-4
MHz
8.0
MHz
f(X
IN
)
Main clock input oscillation frequency
(Note 4)
High-speed mode
(2.5 V
鈮?/div>
V
CC
鈮?/div>
4.0 V)
Middle-speed mode
32.768
(4鉁昖
CC)-8
MHz
8.0
50
MHz
kHz
f(X
CIN
)
Sub-clock input oscillation frequency
(Notes 4, 5)
Notes 1:
The total output current is the sum of all the currents flowing through all the applicable ports. The total average current is an average value mea-
sured over 100 ms. The total peak current is the peak value of all the currents.
2:
The peak output current is the peak current flowing in each port.
3:
The average output current is an average value measured over 100 ms.
4:
When the oscillation frequency has a duty cycle of 50 %.
5:
When using the microcomputer in low-speed mode, make sure that the sub-clock input oscillation frequency on condition that f(X
CIN
) < f(X
IN
)/3.
49
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